import { TranslatableContent } from '../lib/dom';
declare function generateHashForContent(nodes: TranslatableContent): string;
declare function getVisibleTextContent(element: HTMLElement): string;
declare const removeEmojis: (text: string) => string;
declare const getUserLanguage: () => string;
declare function generateNodeHash(text: string): string;
declare function generateChunkHash(texts: string[]): string;
type ValidationResult = {
    isValid: true;
} | {
    isValid: false;
    message: string;
};
declare function validatePublicApiKey(publicKey: string): ValidationResult;
export { generateHashForContent, generateNodeHash, generateChunkHash, getVisibleTextContent, removeEmojis, getUserLanguage, validatePublicApiKey };